Finding the Third Proportional to 2,185,306 and 3,428,111

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,306 : 3,428,111 = 3,428,111 : x
2. Step 2: Convert to fraction form
   2,185,306/3,428,111 = 3,428,111/x
3. Step 3: Cross multiply
   2,185,306x = 3,428,111 × 3,428,111
4. Step 4: Simplify right side
   2,185,306x = 11,751,945,028,321
5. Step 5: Solve for x
   x = 11,751,945,028,321/2,185,306
6. Step 6: Final answer
   x = 5,377,711.42